/Engine/Source/Runtime/VulkanRHI/Public/VulkanDynamicRHI.h
Compute the hash of the PSO initializer for PSO Precaching (only hash data relevant for the RHI specific PSO)
virtual uint64 RHIComputePrecachePSOHash ( const [FGraphicsPipelineStateInitializer](API\Runtime\RHI\FGraphicsPipelineStateInitialize-) & Initializer )